Siemens SIMATIC S5 Manual page 302

PLC Error Messages
Error Con-
Error Message Text
Identi- sec.
fier No.
Progr.
51 01
PL not functioning:
CPU error
Additional info. 1:
Page No.
Additional info. 2:
Page access type
Additional info. 3:
No. of program causing error
51 02
PL not functioning:
CPU or PL error
Additional info. 1:
Page No.
Additional info. 2:
No. of program causing error
51 03
PL not functioning:
CPU or PL error
Additional info. 1:
Page No.
Additional info. 2:
Semaphore register
Additional info. 3:
No. of program causing error
B-42
Possible Cause
Error group No. 13
Page cannot be assigned,
Wrong page identifier:
- CPU error
Error group No. 23
Page has been unassignable for too
long, subunits are running apart
- CPU error
- PL error
Error group No. 01
Page is not assignable due to HW
error, subunits are running apart:
- CPU error
- PL error
S5-115F Manual
Remedy
- Replace CPU
- Service
Warm restart:
1. POWER OFF/ON
2. Stop/Run
At first occurrence:
OVERALL RESET
If the error has not been re-
moved after several OVERALL
RESETs:
- Replace CPU
- Replace PL
- Service
Warm restart:
1. POWER OFF/ON
2. Stop/Run
- Replace CPU
- Replace PL
- Service
Warm restart:
1. POWER OFF/ON
2. Stop/Run
EWA 4NEB 811 6149-02